compress jit debuginfo for easy memory savings #55180
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Lazily create more objects in memory, since we rarely need these.
Account for debug info memory as well, since this info is usually about 10x the size of the data that was being tracked, although this compression appears to reduce that by at least half.
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giordano
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### Elaboration of the issue After #55180 we implicitly require an LLVM built with Zlib support, but compiling Julia with `make USE_BINARYBUILDER_LLVM=0` builds an LLVM without Zlib support, despite the fact we attempt to request it at https://github.com/JuliaLang/julia/blob/996351f5f6651d1508aef3c35c7d37eb22a0fb1e/deps/llvm.mk#L97 This was first identified in #55337. ### Explanation of how configuration of LLVM failed `ZLIB_LIBRARY` must be the path to the zlib library, but we currently set it to the libdir where the library is installed (introduced in #42622): https://github.com/JuliaLang/julia/blob/996351f5f6651d1508aef3c35c7d37eb22a0fb1e/deps/llvm.mk#L97 which is wrong. However, CMake is actually able to find Zlib correctly, but then the check at https://github.com/llvm/llvm-project/blob/46425b8d0fac3c529aa4a716d19abd7032e452f3/llvm/cmake/config-ix.cmake#L139-L141 uses the value of `ZLIB_LIBRARY` to list the Zlib to link for the test, but being `ZLIB_LIBRARY` a directory, CMake doesn't see any valid Zlib and thus tries to run the test without linking any Zlib, and the test silently fails (they're silent only when `LLVM_ENABLE_ZLIB=ON`), resulting in no usable Zlib available, even if found. ### Proposed solution `ZLIB_ROOT` is the only [hint recommended by the CMake module `FindZLIB`](https://cmake.org/cmake/help/latest/module/FindZLIB.html#hints). This PR replaces a broken `ZLIB_LIBRARY` with an appropriate `ZLIB_ROOT`. Also, we set `LLVM_ENABLE_ZLIB=FORCE_ON` which is the only way to make CMake fail loudly if no usable Zlib is available, and avoid going on with a non-usable build. ### Other comments I confirm this fixes #55337 for me, it should likely address JuliaCI/julia-buildkite#373 as well. Also, options `COMPILER_RT_ENABLE_IOS`, `COMPILER_RT_ENABLE_WATCHOS`, `COMPILER_RT_ENABLE_TVOS`, and `HAVE_HISTEDIT_H` don't exist anymore, and they are removed.
giordano
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After #55180 we implicitly require an LLVM built with Zlib support, but compiling Julia with `make USE_BINARYBUILDER_LLVM=0` builds an LLVM without Zlib support, despite the fact we attempt to request it at https://github.com/JuliaLang/julia/blob/996351f5f6651d1508aef3c35c7d37eb22a0fb1e/deps/llvm.mk#L97 This was first identified in #55337. `ZLIB_LIBRARY` must be the path to the zlib library, but we currently set it to the libdir where the library is installed (introduced in https://github.com/JuliaLang/julia/blob/996351f5f6651d1508aef3c35c7d37eb22a0fb1e/deps/llvm.mk#L97 which is wrong. However, CMake is actually able to find Zlib correctly, but then the check at https://github.com/llvm/llvm-project/blob/46425b8d0fac3c529aa4a716d19abd7032e452f3/llvm/cmake/config-ix.cmake#L139-L141 uses the value of `ZLIB_LIBRARY` to list the Zlib to link for the test, but being `ZLIB_LIBRARY` a directory, CMake doesn't see any valid Zlib and thus tries to run the test without linking any Zlib, and the test silently fails (they're silent only when `LLVM_ENABLE_ZLIB=ON`), resulting in no usable Zlib available, even if found. `ZLIB_ROOT` is the only [hint recommended by the CMake module `FindZLIB`](https://cmake.org/cmake/help/latest/module/FindZLIB.html#hints). This PR replaces a broken `ZLIB_LIBRARY` with an appropriate `ZLIB_ROOT`. Also, we set `LLVM_ENABLE_ZLIB=FORCE_ON` which is the only way to make CMake fail loudly if no usable Zlib is available, and avoid going on with a non-usable build. I confirm this fixes #55337 for me, it should likely address JuliaCI/julia-buildkite#373 as well. Also, options `COMPILER_RT_ENABLE_IOS`, `COMPILER_RT_ENABLE_WATCHOS`, `COMPILER_RT_ENABLE_TVOS`, and `HAVE_HISTEDIT_H` don't exist anymore, and they are removed.
giordano
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Aug 6, 2024
After #55180 we implicitly require an LLVM built with Zlib support, but compiling Julia with `make USE_BINARYBUILDER_LLVM=0` builds an LLVM without Zlib support, despite the fact we attempt to request it at https://github.com/JuliaLang/julia/blob/996351f5f6651d1508aef3c35c7d37eb22a0fb1e/deps/llvm.mk#L97 This was first identified in #55337. `ZLIB_LIBRARY` must be the path to the zlib library, but we currently set it to the libdir where the library is installed (introduced in https://github.com/JuliaLang/julia/blob/996351f5f6651d1508aef3c35c7d37eb22a0fb1e/deps/llvm.mk#L97 which is wrong. However, CMake is actually able to find Zlib correctly, but then the check at https://github.com/llvm/llvm-project/blob/46425b8d0fac3c529aa4a716d19abd7032e452f3/llvm/cmake/config-ix.cmake#L139-L141 uses the value of `ZLIB_LIBRARY` to list the Zlib to link for the test, but being `ZLIB_LIBRARY` a directory, CMake doesn't see any valid Zlib and thus tries to run the test without linking any Zlib, and the test silently fails (they're silent only when `LLVM_ENABLE_ZLIB=ON`), resulting in no usable Zlib available, even if found. `ZLIB_ROOT` is the only [hint recommended by the CMake module `FindZLIB`](https://cmake.org/cmake/help/latest/module/FindZLIB.html#hints). This PR replaces a broken `ZLIB_LIBRARY` with an appropriate `ZLIB_ROOT`. Also, we set `LLVM_ENABLE_ZLIB=FORCE_ON` which is the only way to make CMake fail loudly if no usable Zlib is available, and avoid going on with a non-usable build. I confirm this fixes #55337 for me, it should likely address JuliaCI/julia-buildkite#373 as well. Also, options `COMPILER_RT_ENABLE_IOS`, `COMPILER_RT_ENABLE_WATCHOS`, `COMPILER_RT_ENABLE_TVOS`, and `HAVE_HISTEDIT_H` don't exist anymore, and they are removed.
NHDaly
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lazarusA
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Aug 17, 2024
### Elaboration of the issue After JuliaLang#55180 we implicitly require an LLVM built with Zlib support, but compiling Julia with `make USE_BINARYBUILDER_LLVM=0` builds an LLVM without Zlib support, despite the fact we attempt to request it at https://github.com/JuliaLang/julia/blob/996351f5f6651d1508aef3c35c7d37eb22a0fb1e/deps/llvm.mk#L97 This was first identified in JuliaLang#55337. ### Explanation of how configuration of LLVM failed `ZLIB_LIBRARY` must be the path to the zlib library, but we currently set it to the libdir where the library is installed (introduced in JuliaLang#42622): https://github.com/JuliaLang/julia/blob/996351f5f6651d1508aef3c35c7d37eb22a0fb1e/deps/llvm.mk#L97 which is wrong. However, CMake is actually able to find Zlib correctly, but then the check at https://github.com/llvm/llvm-project/blob/46425b8d0fac3c529aa4a716d19abd7032e452f3/llvm/cmake/config-ix.cmake#L139-L141 uses the value of `ZLIB_LIBRARY` to list the Zlib to link for the test, but being `ZLIB_LIBRARY` a directory, CMake doesn't see any valid Zlib and thus tries to run the test without linking any Zlib, and the test silently fails (they're silent only when `LLVM_ENABLE_ZLIB=ON`), resulting in no usable Zlib available, even if found. ### Proposed solution `ZLIB_ROOT` is the only [hint recommended by the CMake module `FindZLIB`](https://cmake.org/cmake/help/latest/module/FindZLIB.html#hints). This PR replaces a broken `ZLIB_LIBRARY` with an appropriate `ZLIB_ROOT`. Also, we set `LLVM_ENABLE_ZLIB=FORCE_ON` which is the only way to make CMake fail loudly if no usable Zlib is available, and avoid going on with a non-usable build. ### Other comments I confirm this fixes JuliaLang#55337 for me, it should likely address JuliaCI/julia-buildkite#373 as well. Also, options `COMPILER_RT_ENABLE_IOS`, `COMPILER_RT_ENABLE_WATCHOS`, `COMPILER_RT_ENABLE_TVOS`, and `HAVE_HISTEDIT_H` don't exist anymore, and they are removed.
KristofferC
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Aug 19, 2024
In some ad-hoc testing, I had JIT about 19 MB of code and data, which generated about 170 MB of debuginfo alongside it, and that debuginfo then compressed to about 50 MB with this change, which simply compresses the ObjectFile until it is actually required (which it very rarely is needed). (cherry picked from commit fe597c1)
KristofferC
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Aug 26, 2024
Backported PRs: - [x] #54962 <!-- Add timing to precompile trace compile --> - [x] #55180 <!-- compress jit debuginfo for easy memory savings --> - [x] #54919 <!-- Fix annotated join with non-concrete eltype iters --> - [x] #55013 <!-- [docs] change docstring to match code --> - [x] #55017 <!-- TOML: Make `Dates` a type parameter --> - [x] #54033 <!-- Fix a bug in `stack`'s DimensionMismatch error message --> - [x] #55242 <!-- fix at-main docstring to not code quote a compat box --> - [x] #55261 <!-- Make `jl_*affinity` tests more portable --> - [x] #54736 <!-- specificity: ensure fast-path in `sub/eq_msp` handle missing `UnionAll` wrapper correctly. --> - [x] #55299 <!-- typeintersect: fix bounds merging during inner `intersect_all`. --> - [x] #55302 <!-- Add `lbt_forwarded_funcs()` to debug LBT forwarding issues --> - [x] #55148 <!-- Random: Mark unexported public symbols as public --> - [x] #55303 <!-- avoid overflowing show for OffsetArrays around typemax --> - [x] #55317 <!-- Restrict argument to `isleapyear(::Integer)` --> - [x] #55327 <!-- Profile: Fix stdlib paths --> - [x] #55330 <!-- [libblastrampoline] Bump to v5.11.0 --> - [x] #55310 <!-- Preserve structure in scaling triangular matrices by NaN --> - [x] #55329 <!-- mapreduce: don't inbounds unknown functions --> - [x] #55356 <!-- Profile: close files when assembling heap snapshot --> - [x] #55371 <!-- Fix tr for block SymTridiagonal --> - [x] #55307 <!-- Make REPL.TerminalMenus public --> - [x] #55362 <!-- inference: fix missing LimitedAccuracy markers --> - [x] #55306 <!-- AllocOpt: Fix stack lowering where alloca continas boxed and unboxed data --> - [x] #55395 <!-- fix #55389: type-unstable `join` --> - [x] #55226 <!-- re-add `unsafe_convert` for Reinterpret and Reshaped array --> - [x] #55405 <!-- handle unbound vars in NTuple fields --> - [x] #55365 <!-- ml-matches: ensure all methods are included --> - [x] #55428 <!-- codegen: move undef freeze before promotion point --> - [x] #55419 <!-- `stale_cachefile`: handle if the expected cache file is missing --> - [x] #55470 <!-- Add push! implementation for AbstractArray depending only on resize! --> - [x] #55483 <!-- fix hierarchy level of "API reference" in `Dates` documentation --> - [x] #55268 <!-- simplify complex atanh and remove singularity perturbation --> - [x] #55441 <!-- fix Event to use normal Condition variable --> - [x] #55413 <!-- subtyping: fast path for lhs union and rhs typevar --> - [x] #55492 <!-- build: add missing dependencies for expmap --> - [x] #55507 <!-- Fix fast getptls ccall lowering. --> - [x] #55424 <!-- add missing clamp function for IOBuffer --> - [x] #55504 <!-- Update symmetric docstring to reflect the type of uplo --> - [x] #55107 <!-- Make the memory GEP an inbounds GEP since the bounds check has happened somewhere else --> - [x] #55411 <!-- Vendor the terminfo database for use with base/terminfo.jl --> - [x] #55452 <!-- Do not load `ScopedValues` with `using` --> - [x] #55407 <!-- Remove deprecated non string API for LLVM pass pipeline and parse all options --> - [x] #55461 <!-- 🤖 [master] Bump the StyledStrings stdlib from d7496d2 to f6035eb --> - [x] #55433 <!-- Backport #55407 to 1.11 --> - [x] #55225 <!-- [1.11 backport] trace-compile: don't generate `precompile` statements for OpaqueClosure methods (#55072) --> - [x] #55212 <!-- Make `Base.depwarn()` public --> - [x] #552 - [x] #55052 <!-- Fix `(l/r)mul!` with `Diagonal`/`Bidiagonal` --> - [x] #55251 <!-- Restrict binary ops for Diagonal and Symmetric to Number eltypes -->95 <!-- LAPACK: Aggressive constprop to concretely infer syev!/syevd! --> - [x] #55522 <!-- Fix tr for Symmetric/Hermitian block matrices --> Need manual backport: - [x] #55342 <!-- Ensure bidiagonal setindex! does not read indices in error message --> Contains multiple commits, manual intervention needed: - [ ] #55336 <!-- codegen: take gc roots (and alloca alignment) more seriously --> Non-merged PRs with backport label: - [ ] #55506 <!-- Fix indexing in _mapreducedim for OffsetArrays --> - [ ] #55500 <!-- make jl_thread_suspend_and_get_state safe --> - [ ] #55499 <!-- propagate the terminal's `displaysize` to the `IOContext` used by the REPL --> - [ ] #55458 <!-- Allow for generically extracting unannotated string --> - [ ] #55457 <!-- Make AnnotateChar equality consider annotations --> - [ ] #55453 <!-- Privatise the annotations API, for StyledStrings --> - [ ] #55443 <!-- Add test for upper/lower/titlecase and fix call --> - [ ] #55355 <!-- relocation: account for trailing path separator in depot paths --> - [ ] #55220 <!-- `isfile_casesensitive` fixes on Windows --> - [ ] #55169 <!-- `propertynames` for SVD respects private argument --> - [ ] #54457 <!-- Make `String(::Memory)` copy --> - [ ] #53957 <!-- tweak how filtering is done for what packages should be precompiled --> - [ ] #51479 <!-- prevent code loading from lookin in the versioned environment when building Julia --> - [ ] #50813 <!-- More doctests for Sockets and capitalization fix --> - [ ] #50157 <!-- improve docs for `@inbounds` and `Base.@propagate_inbounds` --> - [ ] #41244 <!-- Fix shell `cd` error when working dir has been deleted -->
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In some ad-hoc testing, I had JIT about 19 MB of code and data, which generated about 170 MB of debuginfo alongside it, and that debuginfo then compressed to about 50 MB with this change, which simply compresses the ObjectFile until it is actually required (which it very rarely is needed).